29 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Hypersensitivity pneumonitis: ill ... #Clinical #Radiology ... #Pattern #Comparison ... #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
bronchiolitis: ill ... #Clinical #Diagnosis ... #Radiology #Pulmonary ... #Differential #Comparison ... #Table #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
consolidation - Multifocal ill-defined ... - Multiple Masses ... Atelectasis #Diagnosis ... #Clinical #Radiology ... Consolidation #Patterns #RadiologyAssistant
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
centrilobular nodules ... the differential diagnosis ... #Radiology #Pulmonary ... CTChest #TreeInBud #Diagram ... #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
making an accurate diagnosis ... In most cases small ... #Diagnosis #Radiology ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
#Diagnosis #Radiology ... #Differential #Diagram ... #Comparison #Honeycombing ... Emphysema #SignetRing #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... #Radiology #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
nodules. ... can suggest the diagnosis ... nodules and a feeding ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
Whenever you see an area of increased density within the lung, it must be the result
or multifocal ill-defined ... opacities or small nodules ... . 3- Nodule or mass ... #Diagnosis #Radiology ... Consolidation #Patterns #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
non-perfused vessels and causes ... In these cases comparison ... with old fims can ... #Clinical #Radiology ... Redistribution #RadiologyAssistant